Hello, could you please provide the NSF certificate for this item?

Dear, our NSF registration number is No.146038, you can check on the official website.

is this grease safe for plastic and fountain pens?

Yes. No problems in my 40+ years experience.

Can this be used on threaded connections instead of plumbers tape to prevent leaks?

This is not used to seal FPT (female pipe taper) and MPT (male pipe taper) plumbing pipe threads to prevent leaks. This is a lubricant that is primarily used on neoprene, butyl, nitrile, EPDM, etceteras, o-rings and gaskets. The lubricant assist in assembly and helps prevent bunching of the seal material as it is being tighten. It also aids in making a contact sealing surface for the o-ring and gasket. Examples where it might be use: sink/tub faucet valve stem, the o-ring on a PVC union or PVC union ball valve, etceteras. There are other pipe sealants that can be use to seal tapered threaded pipes like "Oatey White Pipe Joint Compound", "Highside Leak Lock Pipe Joint Sealant", "Permatex Thread Sealant with PTFE".

What is the percent of silicone in this product?

There is no information provided on the product packaging. All silicone greases are composed of silicone oil, PDMS, and a thickening agent, usually amorphous fumed silica, to make the oil into a grease. The exact proportions of the two may be proprietary info, so you would have to contact the mfr directly.

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KEZE Waterproof Food Grade Silicone Lubricant Plumbers Grease for Valve Sealant Faucet Pool Lube O Rings Filter 1 oz 1-Pack

Product ID: 511386231

Details

Brand
Keze
Item Weight
1 Ounces
Liquid Volume
1 Fluid Ounces
Material
Silicone
Package Information
Bottle

💧Waterproof & oxidation resistant

🧴Food-grade NSF approved silicone

🌡️Temp range -40° to 400°F

12447CFA

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Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

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Description

🔧 Keep it smooth, sealed, and spotless—because your fixtures deserve the best!

PURE SAFE SILICONE FORMULA - NSF-approved, odorless, and colorless grease ensures zero chemical contamination—perfect for potable water systems.
LONG LASTING SMOOTH OPERATION - High raw silicone content guarantees durable lubrication, reducing friction and preventing hard-turning faucets.
VERSATILE MULTI USE LUBRICANT - Ideal for faucets, valve stems, scuba gear, door hinges, and more—one tube to solve all your sealing and lubrication needs.
ULTIMATE WATERPROOF PROTECTION - Water and oxidation resistant to keep your faucets, valves, and O-rings running smoothly without corrosion.
UNMATCHED TEMPERATURE RESILIENCE - Performs flawlessly from freezing cold to scorching heat (-40° to 400°F) for all-season reliability.

KEZE Waterproof Food Grade Silicone Lubricant is a premium, NSF-approved silicone grease designed for plumbing professionals and DIYers alike. It offers exceptional temperature tolerance (-40° to 400°F), water and oxidation resistance, and a pure, odorless formula safe for drinking water systems. Perfect for lubricating and sealing faucets, valves, O-rings, and more, this 1 oz tube ensures long-lasting, friction-free performance and reliable waterproof protection.

Specifications

ASIN	B0BN82TPY4
Best Sellers Rank	#128 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #2 in Industrial Lubricants
Brand Name	Keze
Container Type	Bottle
Customer Reviews	4.8 4.8 out of 5 stars (5,371)
Included Components	Silicone Grease
Item Form	Grease
Item Weight	1 Ounces
Liquid Volume	1 Fluid Ounces
Manufacturer	Keze
Material	Silicone
Model Number	001
Number of Items	1
Part Number	001
Recommended Uses For Product	Sealing, Lubricating, Faucets, Valves, Cartridges, O-rings, Gaskets, Bearings, Door hinges, Shower heads, Toilet gaskets, Flashlight o-rings
SAE J300 Viscosity Grade	15W
Specific Uses For Product	Lubricating, Sealing
UPC	655365340614
Unit Count	1.0 Ounce
Upper Temperature Rating	400 Degrees Fahrenheit
Viscosity	High
Viscosity Level	High

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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12447CFA

Duties & taxes included

In stock

Sold byAmazon SenegalDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Senegal.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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